lib/mutex.c File Reference

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Detailed Description

Mutual exclusion locking.

Definition in file mutex.c.

#include "lib/mutex.h"

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Functions
	LUMIERA_ERROR_DEFINE (MUTEX_DESTROY,"Mutex destroy failed")
	LUMIERA_ERROR_DEFINE (MUTEX_UNLOCK,"Mutex unlocking failed")
	LUMIERA_ERROR_DEFINE (MUTEX_LOCK,"Mutex locking failed")
LumieraMutex	lumiera_mutex_destroy (LumieraMutex self, struct nobug_flag *flag)
	Destroy a mutex variable.
LumieraMutex	lumiera_mutex_init (LumieraMutex self, const char *purpose, struct nobug_flag *flag)
	Initialize a mutex variable This initializes a 'fast' default mutex which must not be locked recursively from one thread.
LumieraMutex	lumiera_recmutex_init (LumieraMutex self, const char *purpose, struct nobug_flag *flag)
	Initialize a mutex variable Initializes a 'recursive' mutex which might be locked by the same thread multiple times.
static void	recursive_mutexattr_init ()
Variables
static pthread_mutexattr_t	recursive_mutexattr
static pthread_once_t	recursive_mutexattr_once = PTHREAD_ONCE_INIT

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Function Documentation

LumieraMutex lumiera_mutex_init	(	LumieraMutex	self,
		const char *	purpose,
		struct nobug_flag *	flag
	)

Initialize a mutex variable This initializes a 'fast' default mutex which must not be locked recursively from one thread.

Parameters:

self

is a pointer to the mutex to be initialized

Returns:

self as given

Definition at line 35 of file mutex.c.

Referenced by lumiera_config_init(), lumiera_filedescriptor_new(), lumiera_filedescriptor_registry_init(), lumiera_filehandlecache_new(), lumiera_mmapcache_new(), and lumiera_mmapings_init().

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LumieraMutex lumiera_recmutex_init	(	LumieraMutex	self,
		const char *	purpose,
		struct nobug_flag *	flag
	)

Initialize a mutex variable Initializes a 'recursive' mutex which might be locked by the same thread multiple times.

Parameters:

self

is a pointer to the mutex to be initialized

Returns:

self as given

Definition at line 58 of file mutex.c.

Referenced by lumiera_interfaceregistry_init().

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LumieraMutex lumiera_mutex_destroy	(	LumieraMutex	self,
		struct nobug_flag *	flag
	)

Destroy a mutex variable.

Parameters:

self

is a pointer to the mutex to be destroyed

Returns:

self as given

Definition at line 74 of file mutex.c.

References LUMIERA_DIE.

Referenced by lumiera_config_destroy(), lumiera_filedescriptor_delete(), lumiera_filedescriptor_registry_destroy(), lumiera_filehandlecache_delete(), lumiera_mmapcache_delete(), and lumiera_mmapings_destroy().

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